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78M6612-IM/F/P 数据表(PDF) 69 Page - Teridian Semiconductor Corporation |
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78M6612-IM/F/P 数据表(HTML) 69 Page - Teridian Semiconductor Corporation |
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69 / 111 page ![]() DS_6612_001 78M6612 Data Sheet Rev. 1.2 69 Table 47: LCD and DIO Pin Assignment by LCD_NUM for the LQFP-64 Package LCD_NUM SEG in Addition to SEG0-SEG18 Total Number of LCD Segment Pins Including SEG0- SEG18 DIO Pins in Addition to DIO1- DIO2 Total Number of DIO Pins Including DIO1, DIO2 0 – 17 4-11, 14-17, 19, 20 16 1 – 17 4-11, 14-17, 19, 20 16 2 40 18 4-11, 14-17, 19 15 3 39, 40 19 4-11, 14-17 14 4 39, 40 19 4-11, 14-17 14 5 37, 39, 40 20 4-11, 14-16 13 6 36-37, 39, 40 21 4-11, 14-15 12 7 35-37, 39, 40 22 4-11, 14 11 8 34-37, 39, 40 23 4-11 10 9 34-37, 39, 40 23 4-11 10 10 34-37, 39, 40 23 4-11 10 11 31, 34-37, 39, 40 24 4-10 9 12 30-31, 34-37, 39, 40 25 4-9 8 13 29-31, 34-37, 39, 40 26 4-8 7 14 28-31, 34-37, 39, 40 27 4-7 6 15 27-31, 34-37, 39, 40 28 4-6 5 16 26-31, 34-37, 39, 40 29 4-5 4 17 25-31, 34-37, 39, 40 30 4 3 18 24-31, 34-37, 39, 40 31 None 2 Note: LCD segment numbers are given without CKTEST/SEG19, E_RXTX/SEG38, E_TCLK/SEG33, and E_RST/SEG32. Note: SEG14 and SEG15 are not available in the 64-pin package. 3.7 Connecting I 2 I C EEPROMs 2C EEPROMs or other I2 Figure 32 C compatible devices should be connected to the DIO pins DIO4 and DIO5, as shown in . Pull-up resistors of roughly 10 k Ω to V3P3D (to ensure operation in BROWNOUT mode) should be used for both SCL and SDA signals. The DIO_EEX register in I/O RAM must be set to 01 in order to convert the DIO pins DIO4 and DIO5 to I 2C pins SCL and SDA. |
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